Airfares have gone up 25 percent in the last year. And the average U.S. driver spent 42 hours, or a full work week, in traffic congestion last year.

Enter trains.

A record number of people are hitting the tracks. While passenger trains have been a common mode of transportation for centuries, the country has never had a dedicated high-speed rail line.

That's expected to change in the next few years with two high-speed rail lines currently under construction in the Southwest and several more in planning phases across the country.

We discuss how high-speed rails could change the landscape of transportation in our country.

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